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Tumbling Finish
What’s Tumbling Finish?
Tumbling finish is a mechanical surface finishing process where parts are placed into a rotating or vibrating drum filled with abrasive media, water, and compounds.
As the drum moves, friction between the media and the parts gradually removes sharp edges, burrs, and surface imperfections. The result is a smoother, more uniform, and often matte surface. Tumbling is widely used in machining, stamping, die-casting, and injection mold component preparation for deburring, edge rounding, descaling, and light polishing. It is efficient, cost-effective, and ideal for finishing many parts at once.
Others Surface Treatment Choice For Parts
Anodizing
Electroplating
Spraying
Sandblasting
PVD
Pad Printing
Hot Stamping
Mold Polishing
Laser Engraving
Silk Screen Printing
FAQ Of Tumbling Finish
Visit our FAQ center for more questions.
What materials can be finished with tumbling?
Tumbling works on a wide range of materials, including aluminum, steel, stainless steel, brass, titanium, and plastics—as long as the correct media type and process are selected.
Will tumbling change the dimensions of the part?
Tumbling removes a very small amount of material (usually microns), so dimensional change is minimal. However, for precision components, controlled or gentle tumbling processes are recommended.
What types of finishes can tumbling achieve?
Depending on the media and cycle time, tumbling can produce matte surfaces, smooth deburred edges, satin finishes, or pre-polished surfaces ready for further finishing like anodizing or plating.